Showing posts with label natural disasters. Show all posts
Showing posts with label natural disasters. Show all posts

Dec 3, 2011

I love the city of New Orleans and what happened to it because of hurricane Katrina really broke my heart. Whenever there is a natural catastrophe, talking about what happened is inevitable. This post is informative and a great conversation generator. Moreover, this is a wonderful under-rated movie.
























I. Divide the class in three groups.



Group 1 reads WHEN A HURRICANE STARTS. 



Group 2 reads WHEN A HURRICANE WATCH IS ISSUED FOR YOUR AREA.



Group 3 reads WHEN A HURRICANE WARNING IS ISSUED FOR YOUR AREA.















When a hurricane season starts -



The time to start your preparations is long before a hurricane watch is issued for your area. A good time to begin is during Hurricane Awareness Week, which occurs the week before hurricane season begins on June 1st. This is the time to make a hurricane plan or assess the one you have already formulated. Go through your hurricane supplies and replace any items that are outdated. Test your flash lights and other battery operated equipment. Check your shutters to ensure they're in good working condition. You may even want to deploy one or two to make sure they fit properly and you remember how they go up. Update any emergency numbers and phone numbers for family contacts outside the area. Pick up a hurricane preparedness brochure at the store and review it for pertinent tips and useful information.





When a hurricane watch is issued for your area -



Now is the time to double check your supplies, your shutters, and your plans. If there are any actions in your plan that need to be done long before you hunker down, now is the best time. You should get some cash from the bank or ATM and gas up your car. The longer you wait, the longer the lines will be, wasting your time.





When a hurricane warning is issued for your area -



Now is the time for action! Put up your shutters before the winds get too high. Clean up your yard and prep your pool. Lower your refrigerator temperature and fill up your bathtub and any extra jugs with water. If you are evacuating, prepare your property first then leave the area with plenty of time ahead since roads will become congested soon after the warning is issued.






Information taken from the informative site:





http://www.aoml.noaa.gov/hrd/tcfaq/K1.html





 II. Group up the students so you can have one student from each of the previous groups. They share what they have just read without referring to the original texts.



III. Complete the blanks with the correct word:







1. A ________________is a giant whirlpool that covers land. A ____________ is a whirlwind. (HURRICANE/TORNADO)











2. ______________ form over land from

thunderstorms. ______________ form over water and covers all sorts of spinning storms from a standard low pressure system to a ______________. (TORNADOES / CYCLONES / HURRICANE)







3. In themselves nothing, they are both the same thing. The distinction is that _________________ form in the Atlantic, and _________ form in the Pacific Ocean. (HURRICANES / TYPHOONS)






4. ____________ Hurricanes are LARGE scale weather systems that form over warm ocean waters near the equator due to the convergence of several factors, including LOW wind shear, warm ocean water, and the Coriolis force. They are large features that exist over time scales of many hours to days. ___________ form in super cell thunderstorms, which are rotating thunderstorms that form in conditions of HIGH wind shear and large atmospheric instability. They are small features that exist on small time scales of minutes to an hour. (HURRICANES / TORNADOES)






Answer key: The alternatives are in the correct order.





IV. Read some of the facts about the hurricane Katrina, which destroyed New Orleans in 2005. Decide which ones you believe are true.



a. Hurricane Katrina was one of the deadliest hurricanes in the history of the United States, killing over 1,800 people.



b. The confirmed death toll (total of direct and indirect deaths) stood at 1,836, mainly from Louisiana (1,577) and Mississippi (238). However, 705 people remain categorized as missing in Louisiana, so this number is not final. Many of the deaths are indirect. It is almost impossible to determine the exact cause of some of the fatalities.




c. Katrina was the largest hurricane of its strength to approach the United States in recorded history, causing devastation over 100 miles (160 kilometers) from the storm's center.




d. New Orleans' levee failures were found to be primarily the result of system design flaws, combined with the lack of adequate maintenance.




e.Hurricane Katrina was the costliest hurricane in U.S. history, with $75 billion in estimated damages.





f. More than 70 countries pledged monetary donations or other assistance. Kuwait made the largest single pledge, $500 million; other large donations were made by Qatar ($100 million), India ($5 million), China ($5 million), Pakistan ($1.5 million), and Bangladesh ($1 million)




g. New Orleans new levees have been rebuilt and are able to prevent another catastrophe of the kind if it happens again.





Information taken from the Discovery Site:



http://dsc.discovery.com/convergence/katrina/facts/facts.html

 








Answer key: All are true, except letter g, because the levees won't be ready before 2013.





V. Watch the segment from the movie Hurricane Season and talk about the questions that follow.










1. Describe the scene.





2. What were some of the consequences of the hurricane devastation that you managed to see in the segment?





3. What images shocked you most? Why?




4. Have you ever been caught by a natural disaster (earthquakes, tsunami, hurricane, flood, or others)? Talk about it.




5. Is your living area susceptible to natural catastrophes?





6. Why do some people insist in living in areas that are at risk of a catastrophe, such as the eruption of a volcano, hurricanes, earthquakes, floods, etc?








Watch the segment from the movie Dolphin Tale and discuss the questions:












1. Describe the scene:



2. What were some of the steps the characters took in order to get protected from the hurricane damages?



3.How severe was the destruction?



4. What was not observed by the characters when they were getting ready to shelter themselves.














MOVIE SEGMENT DOWNLOAD - HURRICANE SEASON



MOVIE SEGMENT DOWNLOAD - DOLPHIN TALE

Hurricane Season & Dolphin Tale: Hurricanes, Katrina

By: Abdallh Gamal on: 6:27 PM

Oct 21, 2011

After watching this scene and thinking about the consequences of tsunamis in Thailand and in Japan, I felt the urge to prepare an activity to talk about it. Tsunamis don't take place in Brazil, so it is very shocking and hard to believe that such a tragedy is always about to happen somewhere in the world.











I. Prepare small posters with the information presented in the items below and tape them around the classroom. Give each students (or pair / group of students) the questions below. Ask them to guess what the answers are. Finally, The students look for their answers by reading the information displayed in the posters and read the class what they found out about tsunamis.








1. What is a tsunami?


  • A tsunami is a series of waves with a long wavelength and period (time between crests) generated by a large, impulsive displacement of sea water.

  • Time between crests of the wave can vary from a few minutes to over an hour.

  • Tsunamis are often incorrectly called tidal waves; they have no relation to the daily ocean tides.



2. How are tsunamis generated?


  • Tsunamis are generated by any large, impulsive displacement of the sea level.

  • Tsunamis are also triggered by landslides into or under the water surface, and can be generated by volcanic activity and meteorite impacts.



3. How often do tsunamis occur?


  • On the average, two tsunamis occur per year throughout the world which inflict damage near the source.



  • Approximately every 15 years a destructive, ocean-wide tsunami occurs.





4. Can strike-slip (horizontal motion) earthquakes trigger tsunamis?


  • Yes, approximately 15% of all damaging tsunamis were triggered by strike-slip earthquakes.

  • This type of earthquake is less likely to trigger a tsunami than one with vertical motion.



  • The waves are likely generated by associated landslides or motion of a sloping bathymetric feature.

  • Tsunamis generated by strike-slip earthquakes normally affect regions near the source only.



5. What does the word tsunami mean?


  • Tsunami (soo-NAH-mee) is a Japanese word meaning harbor wave.



6. How fast do tsunamis travel?


  • Tsunami velocity depends on the depth of water through which it travels (velocity equals the square root of the product of the water depth times the acceleration of gravity).

  • Tsunamis travel approximately 475 mph in 15,000 feet of water. In 100 feet of water the velocity drops to about 40 mph.

  • A tsunami travels from the central Aleutian Is. to Hawaii in about 5 hours and to California in about 6 hours, or from the Portugal coast to North Carolina in about 8.5 hours.



7. How big is a tsunami?


  • Tsunamis range in size from inches to over a hundred feet.

  • In deep water (greater than 600 feet), tsunamis are rarely over 3 feet and will not be noticed by ships due to their long period (time between crests).

  • As tsunamis propagate into shallow water, the wave height can increase by over 10 times.

  • Tsunami heights vary greatly along a coast. The waves can be amplified by shoreline and bathymetric (sea floor) features.

  • A large tsunami can flood low-lying coastal land over a mile from the coast.



8. What does a tsunami look like when it reaches shore?


  • Normally, a tsunami appears as a rapidly advancing or receding tide.

  • It some cases a bore (wall of water) or series of breaking waves may form.



9. How is a tsunami different from a wind-generated wave?


  • Wind-generated waves usually have periods (time between crests) between 5 and 20 seconds. Tsunami periods normally range from 5 to 60 minutes.

  • Wind-generated waves break as they shoal and lose energy offshore. Tsunamis act more like a flooding wave. A twenty foot tsunami is a twenty foot rise in sea level.








Information provided by the informative site: http://wcatwc.arh.noaa.gov/characteristics.htm





II. Watch the segment from the movie Hereafter and discuss the questions in pairs:











1. Describe the scene.



2. What did you see in the segment that you learned during the previous task?



3. What happened to the character of the American woman in the segment?



4. What are the most famous tsunamis you have heard of?



5. What do you think should be done in order not to have so many casualties because of tsunamis?



6. Are you afraid of tsunamis where you live? Do you face any natural disasters threats?



MOVIE SEGMENT DOWNLOAD - HEREAFTER



Watch the segment from the film San Andreas, a catastrophe movie that make dramatic predictions for San Francisco, CA. Then answer the questions:
























    1. Describe the scene.



    2. What did you see in the segment that you learned during the previous task?



    3. Do you think it is a possible future for California or is it just a fictional movie?




    Hereafter & San Andreas: Tsunami, Natural Disasters

    By: Abdallh Gamal on: 7:03 PM

     
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